[Debian-on-mobile-maintainers] Bug#1081914: Bug#1081914: feedbackd: FTBFS on hppa - assertion failed (g_list_length (leds) == 1): (0 == 1)

[Helge Deller]

On 9/16/24 16:11, John David Anglin wrote:
> Hi Guido,
>
> I've CC'd Helge.  He maintains panama.
>
> On 2024-09-16 4:53 a.m., Guido Günther wrote:
>> Hi,
>> On Sun, Sep 15, 2024 at 06:08:21PM -0400, John David Anglin wrote:
>>> Source: feedbackd
>>> Version: 0.4.1-1
>>> Severity: normal
>>> Tags: ftbfs
>>>
>>> Dear Maintainer,
>>>
>>> Package fails to build:
>>> 8/9 fbd-dev-led          FAIL            0.19s   killed by signal 6 SIGABRT
>>>>>> GSETTINGS_SCHEMA_DIR=/<<PKGBUILDDIR>>/_build/data PYTHONDONTWRITEBYTECODE=yes G_TEST_BUILDDIR=/<<PKGBUILDDIR>>/_build/tests MALLOC_CHECK_=2 XDG_CONFIG_DIRS=/<<PKGBUILDDIR>>/tests G_DEBUG=gc-friendly,fatal-warnings MALLOC_PERTURB_=36 XDG_DATA_DIRS=/<<PKGBUILDDIR>>/tests/data/xdg-data XDG_CONFIG_HOME=/<<PKGBUILDDIR>>/tests/data/user-config G_TEST_SRCDIR=/<<PKGBUILDDIR>>/tests UBSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 GSETTINGS_BACKEND=memory MESON_TEST_ITERATION=1 ASAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1 MSAN_OPTIONS=halt_on_error=1:abort_on_error=1:print_summary=1:print_stacktrace=1 umockdev-wrapper /<<PKGBUILDDIR>>/_build/tests/test-fbd-dev-led
>>> ――――――――――――――――――――――――――――――――――――― ✀  ―――――――――――――――――――――――――――――――――――――
>>> stdout:
>>> TAP version 13
>>> # random seed: R02S460381b4ca5b4369d3bb9b84ad5810b4
>>> 1..5
>>> # Start of feedbackd tests
>>> # Start of fbd tests
>>> # Start of dev tests
>>> # Start of led tests
>>> # DEBUG: umockdev.vala:127: Created udev test bed /tmp/umockdev.HYGUS2
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status (subsystem leds)
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1565: enable: failed to remove /disabled flag, ignoring: No such file or directory
>>> not ok /feedbackd/fbd/dev/led/simple - ERROR:../tests/test-fbd-dev-led.c:31:test_fbd_dev_led_simple: assertion failed (g_list_length (leds) == 1): (0 == 1)
>>> Bail out!
>>> stderr:
>>> **
>>> ERROR:../tests/test-fbd-dev-led.c:31:test_fbd_dev_led_simple: assertion failed (g_list_length (leds) == 1): (0 == 1)
>>> ――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――
>>>
>>> Full log is here:
>>> https://buildd.debian.org/status/fetch.php?pkg=feedbackd&arch=hppa&ver=0.4.1-1&stamp=1724073857&raw=0
>>>
>>> Running under gdb, we have:
>>> (gdb) break test-fbd-dev-led.c:31
>>> Breakpoint 1 at 0x410088f0: file ../tests/test-fbd-dev-led.c, line 31.
>>> (gdb) r
>>> The program being debugged has been started already.
>>> Start it from the beginning? (y or n) y
>>> Starting program: /home/dave/debian/feedbackd/feedbackd-0.4.1/_build/tests/test-fbd-dev-led
>>> [Thread debugging using libthread_db enabled]
>>> Using host libthread_db library "/lib/hppa-linux-gnu/libthread_db.so.1".
>>> TAP version 14
>>> # random seed: R02Sde8102d5a1d3016362c45737e203cb85
>>> 1..5
>>> # Start of feedbackd tests
>>> # Start of fbd tests
>>> # Start of dev tests
>>> # Start of led tests
>>> [New Thread 0xf653e040 (LWP 4882)]
>>> # DEBUG: umockdev.vala:127: Created udev test bed /tmp/umockdev.ZJT5T2
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status
>>> [New Thread 0xf5d3d040 (LWP 4884)]
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status (subsystem leds)
>>> [New Thread 0xf553c040 (LWP 4885)]
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00
>>> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00 (subsystem acpi)
>>> # DEBUG: umockdev.vala:1565: enable: failed to remove /disabled flag, ignoring: No such file or directory
>>>
>>> Thread 1 "test-fbd-dev-le" hit Breakpoint 1, test_fbd_dev_led_simple (
>>>      fixture=<optimized out>, unused=<optimized out>)
>>>      at ../tests/test-fbd-dev-led.c:31
>>> 31        g_assert_cmpint (g_list_length (leds), ==, 1);
>>> (gdb) p leds
>>> $1 = (GUdevDevice_listautoptr) 0x0
>>>
>>> Same error occurs on alpha.
>> Hmmmm...The LED tests require LD_PRELOAD'ing umockdev to work which
>> seems to be happening but the result of
>> `g_udev_client_query_by_subsystem` is empty. This isn't even feedbackd
>> related code, just plain gudev + udevmock so I wonder what could be
>> different on alpha / hppa?
>>
>> Tried to reproduce on panama.debian.net but can't get a sid schroot with
>> build-deps there:
>>
>> $ dd-schroot-cmd -c sid_hppa-dchroot-8ecf7517-dd36-44d5-a4a2-a97d01dcb458 apt-get update
>> /usr/local/bin/dd-schroot-cmd:59: SyntaxWarning: invalid escape sequence '\.'
>>    if re.search('^\.|~$|[^0-9a-zA-Z_.~-]', session):
>>    File "/usr/local/bin/dd-schroot-cmd", line 124
>>      except OSError, e:


This ^^ dd-schroot-cmd command should work now on panama if you want to try...

Helge





>> In case someone wants to investigate: This runs the single failing test:
>>
>>    umockdev-run --  _build/tests/test-fbd-dev-led
> Starting program: /home/dave/debian/feedbackd/feedbackd-0.4.1/_build/tests/test-fbd-dev-led
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/hppa-linux-gnu/libthread_db.so.1".
> TAP version 14
> # random seed: R02S4e9b3a9c65f4011e3a16fa4bc6b26075
> 1..5
> # Start of feedbackd tests
> # Start of fbd tests
> # Start of dev tests
> # Start of led tests
> [New Thread 0xf653e040 (LWP 19957)]
> # DEBUG: umockdev.vala:127: Created udev test bed /tmp/umockdev.IMABU2
> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status
> [New Thread 0xf5d3d040 (LWP 19960)]
> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00/leds/blue:status (subsystem leds)
> [New Thread 0xf553c040 (LWP 19961)]
> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00
> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00/PURI4543:00 (subsystem acpi)
> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00/LNXSYBUS:00
> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00/LNXSYBUS:00 (subsystem acpi)
> # DEBUG: umockdev.vala:1307: parsing device description for /devices/LNXSYSTM:00
> # DEBUG: umockdev.vala:1385: creating device /devices/LNXSYSTM:00 (subsystem acpi)
> # DEBUG: umockdev.vala:1565: enable: failed to remove /disabled flag, ignoring: No such file or directory
>
> Thread 2.1 "test-fbd-dev-le" hit Breakpoint 2, test_fbd_dev_led_simple (
>      fixture=<optimized out>, unused=<optimized out>)
>      at ../tests/test-fbd-dev-led.c:28
> 28        leds = g_udev_client_query_by_subsystem (client, "leds");
> (gdb) p client
> $2 = 0x4101d1c8
> (gdb) p *client
> $3 = {parent = {g_type_instance = {g_class = Python Exception <class 'gdb.error'>: No type named TypeNode.
> }, ref_count = 1, qdata = 0x0},
>    priv = 0x4101d1b0}
> (gdb) c
> Continuing.
>
> Thread 2.1 "test-fbd-dev-le" hit Breakpoint 1, test_fbd_dev_led_simple (
>      fixture=<optimized out>, unused=<optimized out>)
>      at ../tests/test-fbd-dev-led.c:31
> 31        g_assert_cmpint (g_list_length (leds), ==, 1);
> (gdb) p leds
> $4 = (GUdevDevice_listautoptr) 0x0
>
> Dave
>